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Product Info Summary
| SKU: | A01340-4 |
|---|---|
| Size: | 100 μg/vial |
| Reactive Species: | Human |
| Host: | Rabbit |
| Application: | ELISA, Flow Cytometry, IF, IHC, WB |
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Product info
Product Name
Anti-CD74 Antibody Picoband®
SKU/Catalog Number
A01340-4
Size
100 μg/vial
Form
Lyophilized
Description
Boster Bio Anti-CD74 Antibody Picoband® catalog # A01340-4. Tested in ELISA, Flow Cytometry, IF, IHC, WB applications. This antibody reacts with Human. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.
Storage & Handling
At -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freezing and thawing.
Cite This Product
Anti-CD74 Antibody Picoband® (Boster Biological Technology, Pleasanton CA, USA, Catalog # A01340-4)
Host
Rabbit
Contents
Each vial contains 4 mg Trehalose, 0.9 mg NaCl, 0.2 mg Na2HPO4.
Clonality
Polyclonal
Isotype
Rabbit IgG
Immunogen
E.coli-derived human CD74 recombinant protein (Position: Q73-M296).
*Blocking peptide can be purchased. Costs vary based on immunogen length. Contact us for pricing.
Cross-reactivity
No cross-reactivity with other proteins.
Reactive Species
A01340-4 is reactive to CD74 in Human
Reconstitution
Adding 0.2 ml of distilled water will yield a concentration of 500 µg/ml.
Observed Molecular Weight
31-34 kDa
Calculated molecular weight
33.516kDa
Background of CD74
HLA class II histocompatibility antigen gamma chain also known as HLA-DR antigens-associated invariant chain or CD74 (Cluster of Differentiation 74), is a protein that in humans is encoded by the CD74 gene. The protein encoded by this gene associates with class II major histocompatibility complex (MHC) and is an important chaperone that regulates antigen presentation for immune response. It also serves as cell surface receptor for the cytokine macrophage migration inhibitory factor (MIF) which, when bound to the encoded protein, initiates survival pathways and cell proliferation. This protein also interacts with amyloid precursor protein (APP) and suppresses the production of amyloid beta (Abeta). Multiple alternatively spliced transcript variants encoding different isoforms have been identified.
Antibody Validation
Boster validates all antibodies on WB, IHC, ICC, Immunofluorescence, and ELISA with known positive control and negative samples to ensure specificity and high affinity, including thorough antibody incubations.
Application & Images
Applications
A01340-4 is guaranteed for ELISA, Flow Cytometry, IF, IHC, WB Boster Guarantee
Assay Dilutions Recommendation
The recommendations below provide a starting point for assay optimization. The actual working concentration varies and should be decided by the user.
Western blot, 0.25-0.5 µg/ml, Human
Immunohistochemistry(Paraffin-embedded Section), 2-5 µg/ml, Human
Immunofluorescence, 5 µg/ml, Human
Flow Cytometry (Fixed), 1-3 µg/1x106 cells, Human
ELISA, 0.1-0.5 µg/ml, Human
Positive Control
WB: human Daudi whole cell
IHC: human spleen tissue, human tonsil tissue
IF: human spleen tissue
FCM: Daudi cell
Validation Images & Assay Conditions
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Figure 1. Western blot analysis of CD74 using anti-CD74 antibody (A01340-4).
Electrophoresis was performed on a 5-20% SDS-PAGE gel at 70V (Stacking gel) / 90V (Resolving gel) for 2-3 hours. The sample well of each lane was loaded with 30 ug of sample under reducing conditions.
Lane 1: human Daudi whole cell lysates.
After electrophoresis, proteins were transferred to a nitrocellulose membrane at 150 mA for 50-90 minutes. Blocked the membrane with 5% non-fat milk/TBS for 1.5 hour at RT. The membrane was incubated with rabbit anti-CD74 antigen affinity purified polyclonal antibody (Catalog # A01340-4) at 0.5 μg/mL overnight at 4°C, then washed with TBS-0.1%Tween 3 times with 5 minutes each and probed with a goat anti-rabbit IgG-HRP secondary antibody at a dilution of 1:5000 for 1.5 hour at RT. The signal is developed using an Enhanced Chemiluminescent detection (ECL) kit (Catalog # EK1002) with Tanon 5200 system. A specific band was detected for CD74 at approximately 31-34 kDa. The expected band size for CD74 is at 34 kDa.
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Figure 2. IHC analysis of CD74 using anti-CD74 antibody (A01340-4).
CD74 was detected in a paraffin-embedded section of human spleen tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-CD74 Antibody (A01340-4) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
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Figure 3. IHC analysis of CD74 using anti-CD74 antibody (A01340-4).
CD74 was detected in a paraffin-embedded section of human tonsil tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 2 μg/ml rabbit anti-CD74 Antibody (A01340-4) overnight at 4°C. Peroxidase Conjugated Goat Anti-rabbit IgG was used as secondary antibody and incubated for 30 minutes at 37°C. The tissue section was developed using HRP Conjugated Rabbit IgG Super Vision Assay Kit (Catalog # SV0002) with DAB as the chromogen.
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Figure 4. IF analysis of CD74 using anti-CD74 antibody (A01340-4).
CD74 was detected in a paraffin-embedded section of human spleen tissue. Heat mediated antigen retrieval was performed in EDTA buffer (pH 8.0, epitope retrieval solution). The tissue section was blocked with 10% goat serum. The tissue section was then incubated with 5 μg/mL rabbit anti-CD74 Antibody (A01340-4) overnight at 4°C. DyLight®594 Conjugated Goat Anti-Rabbit IgG (BA1142) was used as secondary antibody at 1:100 dilution and incubated for 30 minutes at 37°C. The section was counterstained with DAPI. Visualize using a fluorescence microscope and filter sets appropriate for the label used.
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Figure 5. Flow Cytometry analysis of Daudi cells using anti-CD74 antibody (A01340-4).
Overlay histogram showing Daudi cells stained with A01340-4 (Blue line). To facilitate intracellular staining, cells were fixed with 4% paraformaldehyde and permeabilized with permeabilization buffer. The cells were blocked with 10% normal goat serum. And then incubated with rabbit anti-CD74 Antibody (A01340-4, 1 μg/1x106 cells) for 30 min at 20°C. DyLight®488 conjugated goat anti-rabbit IgG (BA1127, 5-10 μg/1x106 cells) was used as secondary antibody for 30 minutes at 20°C. Isotype control antibody (Green line) was rabbit IgG (1 μg/1x106) used under the same conditions. Unlabelled sample without incubation with primary antibody and secondary antibody (Red line) was used as a blank control.
Protein Target Info & Infographic
Gene/Protein Information For CD74 (Source: Uniprot.org, NCBI)
Gene Name
CD74
Full Name
HLA class II histocompatibility antigen gamma chain
Weight
33.516kDa
Alternative Names
Metabotropic glutamate receptor 5; mGluR5; GRM5; GPRC1E, MGLUR5 CD74 DHLAG, HLADG, II, Ia-GAMMA, p33 CD74 molecule HLA class II histocompatibility gamma chain|CD74 (invariant polypeptide of major histocompatibility complex, class II -associated)|CD74 molecule, major histocompatibility complex, class II invariant chain|HLA-DR s-associated invariant chain|HLA-DR-gamma|Ia-associated invariant chain|MHC HLA-DR gamma chain|gamma chain of class II s
*If product is indicated to react with multiple species, protein info is based on the gene entry specified above in "Species".For more info on CD74, check out the CD74 Infographic
We have 30,000+ of these available, one for each gene! Check them out.
In this infographic, you will see the following information for CD74: database IDs, superfamily, protein function, synonyms, molecular weight, chromosomal locations, tissues of expression, subcellular locations, post-translational modifications, and related diseases, research areas & pathways. If you want to see more information included, or would like to contribute to it and be acknowledged, please contact [email protected].
Specific Publications For Anti-CD74 Antibody Picoband® (A01340-4)
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